class_docstr: A lexer for XSLT.
  
  .. versionadded:: 0.10
code: def get_tokens_unprocessed(self, text):
      for index, token, value in XmlLexer.get_tokens_unprocessed(
          self, text
      ):
          m = re.match("</?xsl:([^>]*)/?>?", value)
  
          if (
              token is Name.Tag
              and m
              and m.group(1) in self.EXTRA_KEYWORDS
          ):
              yield index, Keyword, value
          else:
              yield index, token, value
  
imports: import re
  from pygments.lexer import RegexLexer, ExtendedRegexLexer, include, bygroups, default, using
  from pygments.token import Text, Comment, Operator, Keyword, Name, String, Punctuation, Whitespace
  from pygments.util import looks_like_xml, html_doctype_matches
  from pygments.lexers.javascript import JavascriptLexer
  from pygments.lexers.jvm import ScalaLexer
  from pygments.lexers.css import CssLexer, _indentation, _starts_block
  from pygments.lexers.ruby import RubyLexer
label_desc: Use image node_id 1 for calling the XsltLexer obj's underlying member method code with example usage: obj.get_tokens_unprocessed(text) without return types